产品介绍
Description The STK31860 is an integrated ambient to digital converter with I2C interface. This device provides ambient light sensing to allow robust backlight/display brightness control . For ambient light sensing, the STK31860 incorporates a photodiode, timing controller and ADC in a single chip. The excellent spectral response is designed to be close-to human eye. The STK31860 is suitable for detecting a wide range of light intensity environment. The STK31860 has excellent temperature compensation, robust on-chip refresh rate setting without external components. Software shutdown mode control is provided for power saving application. The STK31860 operating voltage range is 1.7V to 2.0V.
Feature ⚫ Integrated ambient light sensor in one package. Ambient Light Sensor ⚫ Convert ambient light intensity to 16-bit digital data format ⚫ 3rd generation ambient light sensor which closes to human-eye response and suppress IR portion ⚫ Flexible digital settings – Long integration time : 8 steps IT ◆ 3.125 / 6.25 / 12.5 /... / 200 / 400 ms – Short integration time : 20 steps IT ◆ 192 / 288 / ... / 2112 us ⚫ Flexible interrupt setting – Interrupt while out-of- window – Persistence : 1/2/4/8 times ⚫ Clear channel for different light source identification
General ⚫ Fully digital control with I2C interface – 1.7 ~ 3.6V I2C interface ⚫ Low power design – Standby mode – Wait mode ⚫ VDD wide operation voltage : 1.7~2.0V ⚫ Excellent temperature compensation: -40 to 85°C ⚫ Available package options: OLGA – STK31860 : 2 x 1 x 0.5 (mm) ⚫ Lead-free package (RoHS compliant) ⚫ Moisture Sensitivity Level 3 Applications ⚫ Mobile Phone, Smart-phone, PDA
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